In the entire home theater system, the subwoofer is responsible for reproducing the majestic scene sound effects in the movie, and is used to supplement the low frequency and ultra-low frequency areas that the main speakers cannot reach. Especially in multi-channel sound encoding such as Dolby Atmos and DTS:X, independent subwoofer channels are planned, which

Professional audio is also one of many audio categories. The difference from most audio is that the use scenarios are different. The professional audio system assembly, design, equipment connection and debugging require professional sound technicians to complete. Professional audio has a characteristic that, compared with hifi audio, the sound quality requirements are relatively low. However,